Chemical Reaction Engineering In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 1000 100 10000 100000 1000 100 10000 100000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes are destroyed, when the Reaction rate is independent of the reactant's concentration Reactant's concentration is very low Reactant's concentration is very high Temperature is very high Reaction rate is independent of the reactant's concentration Reactant's concentration is very low Reactant's concentration is very high Temperature is very high ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Decay reactions Pore diffusion Form of surface attack by poison All of these Decay reactions Pore diffusion Form of surface attack by poison All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to Gain an electron Gain a proton Lose a proton None of these Gain an electron Gain a proton Lose a proton None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet Reaction External mass transfer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Proportional to the square of Independent of Proportional to Inversely proportional to Proportional to the square of Independent of Proportional to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
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